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JSI Tip 5327. Stop 0x00000050 when upgrading Windows NT 4.0 to Windows 2000?

During an upgrade of Windows NT 4.0 to Windows 2000, you experience the following BSOD:

STOP 0x00000050 (various,0x00000001,various,0x00000000).

One posible cause of this BSOD is that you have too many ports defined in the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\\{Interface ID\}\TcpAllowedPorts Value Name.

To workaround this issue:

1. Delete most of the port values or the entire TcpAllowedPorts Value Name.

2. Perform the upgrade.


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